Analysis of the impact of power loss due to snail trails in a 95-kWp photovoltaic power system

Wonwook Oh, Hoonjoo Choi, Donghwan Kim

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

Snail trails are a prevalent degradation phenomenon observed in solar power plants. In a previous study, it was determined that snail trails affected only the appearance of solar cells, without significantly contributing to actual power loss. However, when snail trails are accompanied by solar cell cracks, power loss occurs. We analyzed the snail trails in a specific module in a 95 kW power plant that has been operational since 2015. Moreover, we evaluated the power generation loss arising from snail trails using current–voltage measurements and electroluminescence analysis.

Original languageEnglish
Article number114230
JournalMicroelectronics Reliability
Volume126
DOIs
Publication statusPublished - 2021 Nov

Keywords

  • Degradation
  • Failure
  • PV modules
  • Snail trails

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics
  • Safety, Risk, Reliability and Quality
  • Surfaces, Coatings and Films
  • Electrical and Electronic Engineering

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